Ink cleaning device for pad printing silica gel head and pad printing equipment

Abstract

The utility model belongs to the technical field of pad printing machines, and discloses a pad printing silica gel head ink cleaning device and pad printing equipment, which comprise a cleaning adhesive tape, and an adhesive releasing mechanism, a cleaning platform and a recycling mechanism which are sequentially arranged along the moving path of the cleaning adhesive tape, the adhesive tape releasing mechanism comprises a first fixing assembly which is rotatably arranged on the rack, and the cleaning adhesive tape is initially wound on the first fixing assembly; a plurality of adsorption holes capable of being communicated with an external negative pressure source are distributed in the working face of the cleaning platform in an array mode and used for adsorbing the cleaning adhesive tape passing through the working face. The recycling mechanism comprises a first driving assembly and a second fixing assembly, the tail end of the cleaning adhesive tape is wound around the second fixing assembly, and the output end of the first driving assembly is in transmission connection with the second fixing assembly and used for driving the second fixing assembly to rotate so as to recycle the cleaning adhesive tape. The multiple adsorption holes distributed in the working face of the cleaning platform in an array mode can adsorb the cleaning adhesive tape so that the cleaning adhesive tape can be attached to the working face, a rigid supporting platform is provided for the cleaning adhesive tape, and the cleaning effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pad printing machine technical field especially relates to a pad printing silica gel head ink cleaning device and pad printing equipment. BACKGROUND

[0002] In the pad printing process field, silica gel head as key printing component, its cleaning effect directly decides the product printing quality and production efficiency. After completing once ink taking pad printing operation, must carry out thorough cleaning to the silica gel head surface residual ink, if the silica gel head exists ink residue, will seriously influence the next ink taking pad printing procedure, lead to pattern definition decline, color deviation etc. Problem, and then reduce the quality and the pass rate of product. The traditional cleaning process is frequent and complex, leads to batch pad printing procedure frequent interruption, and the equipment shutdown number is too much. Because the effective use time of ink after deployment is fixed, too much shutdown operation makes the ink use frequency of single deployment reduce greatly, not only causes the waste of ink resource, also significantly reduces production efficiency, and greatly increases production cost.

[0003] At present, part of cleaning mechanism adopts the method that the adhesive tape sticks the residual ink on the silica gel head surface, although the operation is simple, but there is obvious defect. In practical application, the adhesive tape is difficult to clean the ink on the silica gel head surface completely, still can remain part of ink, and simultaneously, the glue on the adhesive tape is extremely easy to stick on the silica gel head, has negative influence on the subsequent pad printing procedure, further influences product quality and production stability.

[0004] Therefore, it is urgent to provide a pad printing silica gel head ink cleaning device and pad printing equipment to solve the above problems. INVENTION CONTENTS

[0005] The utility model aims at providing a pad printing silica gel head ink cleaning device and pad printing equipment, improving the cleaning effect of silica gel head, improving product printing quality and pass rate, overcoming the sticking defect of glue, avoiding negative influence on the subsequent pad printing procedure, ensuring the stability of production process, ensuring the smoothness of pad printing work, avoiding interrupting batch pad printing process, reducing the shutdown number, effectively reducing production cost.

[0006] In order to achieve this purpose, the utility model adopts the following technical scheme:

[0007] A pad printing silica gel head ink cleaning device, including cleaning adhesive tape, and the setting of dispensing mechanism, cleaning platform and recycling mechanism along the moving path of the cleaning adhesive tape is in proper order;

[0008] The dispensing mechanism includes a first fixed component, the first fixed component is rotatably arranged on the rack, and the cleaning adhesive tape is initially wound on the first fixed component;

[0009] The working surface of the cleaning platform is provided with a plurality of adsorption holes in an array, the adsorption holes being in communication with an external negative pressure source for adsorbing the cleaning belt passing through the working surface;

[0010] The recovery mechanism comprises a first driving assembly and a second fixing assembly, the cleaning belt being wound on the second fixing assembly, and the output end of the first driving assembly being in transmission connection with the second fixing assembly for driving the second fixing assembly to rotate to recover the cleaning belt.

[0011] Further, the glue releasing mechanism further comprises a detection assembly arranged in the circumferential direction of the first fixing assembly for detecting the remaining thickness of the cleaning belt wound on the first fixing assembly.

[0012] Further, the first fixing assembly comprises a rotating shaft and at least two clamping members oppositely arranged along the axial direction of the rotating shaft and adjustably sleeved on the rotating shaft for clamping the cleaning belt, wherein the clamping members gradually decrease in diameter in the direction of approaching each other.

[0013] Further, the glue releasing mechanism further comprises a buffer assembly connected with the first fixing assembly for generating resistance in the opposite direction of the movement direction of the cleaning belt.

[0014] Further, the ink cleaning device for the pad printing silicone head further comprises a length measuring mechanism arranged between the glue releasing mechanism and the cleaning platform, the cleaning belt passing through the length measuring mechanism and entering the cleaning platform, the length measuring mechanism being used for recording the length of the cleaning belt passing through and being in signal connection with the first driving assembly.

[0015] Further, the length measuring mechanism comprises a follower wheel, a sensing wheel and a detection member, the follower wheel being in abutment with the cleaning belt and rotating with the movement of the cleaning belt, the sensing wheel being coaxially arranged with the follower wheel, and a plurality of detection marks being equidistantly arranged in the circumferential direction of the sensing wheel, the detection member being used for identifying the passing frequency of the detection marks and being in signal connection with the first driving assembly.

[0016] Further, the length measuring mechanism further comprises a pressing wheel and a rocker arm, one end of the rocker arm being rotatably connected to a rack, and the other end being rotatably connected with the pressing wheel, the pressing wheel being used for pressing the cleaning belt against the follower wheel.

[0017] Further, the pad printing silicone head ink cleaning device further comprises a guide assembly, the guide assembly comprises a first guide wheel, a second guide wheel and a third guide wheel, the first guide wheel is arranged above the feeding end of the cleaning platform, and the distance between the lowest point of the rim of the first guide wheel and the working surface of the cleaning platform is not greater than the thickness of the cleaning belt; the second guide wheel is arranged at the discharging end of the working surface of the cleaning platform, and the highest point of the rim of the second guide wheel is not higher than the working surface; the third guide wheel is arranged below the feeding end of the cleaning platform, and the highest point of the rim of the third guide wheel is lower than the lowest point of the rim of the second guide wheel, and the cleaning belt sequentially passes below the first guide wheel, the working surface of the cleaning platform, above the second guide wheel, above the third guide wheel and is wound on the second fixing assembly.

[0018] Further, the second fixing assembly comprises a winding shaft and at least two limiting discs, at least two limiting discs are adjustably sleeved on the winding shaft, and the ends of the cleaning belt are wound on the winding shaft.

[0019] A pad printing device comprises a pad printing mechanism and the pad printing silicone head ink cleaning device as claimed in any one of the above, and the pad printing mechanism comprises a second driving assembly and a silicone head, and the second driving assembly is used for driving the silicone head to shift between an ink dipping station, a pad printing station and the working surface of the cleaning platform.

[0020] The pad printing silicone head ink cleaning device has the following beneficial effects:

[0021] The pad printing silicone head ink cleaning device and the pad printing device have the following beneficial effects: the silicone head surface residual ink is adhered and taken by the cleaning belt, the cleaning belt is initially wound on the first fixing assembly of the adhesive tape releasing mechanism, is wound on the second fixing assembly of the recycling mechanism after passing through the cleaning platform, forms a closed loop, the first driving assembly drives the second fixing assembly to rotate, the cleaning belt can be periodically stepped according to a preset step length, the use area of the cleaning belt is replaced in time after the cleaning belt is fully utilized, the cleaning effect of the cleaning belt is ensured, the multiple adsorption holes arranged on the working surface of the cleaning platform can adsorb the cleaning belt, the cleaning belt is attached to the working surface of the cleaning platform, a rigid support platform is provided for the cleaning belt, the deformation of the cleaning belt caused by floating and pressing is avoided, the cleaning effect of the silicone head is improved, the product printing quality and the qualified rate are improved, the glue sticking defect is overcome, the negative influence on the subsequent pad printing process is avoided, the stability of the production process is ensured, the smoothness of the pad printing work is ensured, the batch pad printing process is avoided to be interrupted, the number of shutdowns is reduced, and the production cost is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1It is the structure schematic diagram of the ink cleaning device of the silicone head of the pad printing Figure 1 ;

[0023] Figure 2 It is the structure schematic diagram of the ink cleaning device of the silicone head of the pad printing Figure 2 ;

[0024] Figure 3 It is the structure schematic diagram of the cleaning platform of the utility model;

[0025] Figure 4 It is the structure schematic diagram of the length measuring mechanism of the utility model.

[0026] In the figure:

[0027] 1, cleaning adhesive tape;

[0028] 2, adhesive releasing mechanism;21, first fixing assembly;211, rotating shaft;212, clamping piece;22, detection assembly;23, buffer assembly;

[0029] 3, cleaning platform;31, adsorption hole;

[0030] 4, recycling mechanism;41, first driving assembly;42, second fixing assembly;421, winding shaft;422, limiting disc;43, locking piece;

[0031] 5, length measuring mechanism;51, follow-up wheel;52, inductive wheel;53, detection piece;54, inductive hole;55, pressing wheel;56, rocker arm;

[0032] 6, guide assembly;61, first guide wheel;62, second guide wheel;63, third guide wheel. DETAILED DESCRIPTION

[0033] The utility model will be made further detailed description in combination with the drawings and examples. It can be understood that the specific examples described here are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0034] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature is on, above and on the second feature includes that first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of first feature is higher than the second feature. First feature is below, under and under the second feature includes that first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of first feature is less than the second feature.

[0036] In the description of the embodiment, the terms "upper", "lower", "right", "left", "horizontal", "vertical", and the like are described based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0037] As shown in Figures 1-4 The utility model provides a kind of silicone head ink cleaning device of pad printing, by cleaning adhesive tape 1 sticking silicone head surface residual ink, utilize the stickiness of cleaning adhesive tape 1, silicone head presses and contacts cleaning adhesive tape 1, cleaning adhesive tape 1 can stick residual ink on silicone head, wherein, silicone head can be on the cleaning adhesive tape 1 of certain width multiple sticking cleaning operation, cleaning adhesive tape 1 is fully utilized again to the use area of cleaning adhesive tape 1 is replaced.It needs to be explained, cleaning adhesive tape 1 as weak rigidity material, when cleaning adhesive tape 1 is in the state of floating and is extruded by silicone head, it is easy to produce deformation, its pressing stability is difficult to guarantee, influence silicone head cleaning effect, and when cleaning adhesive tape 1 deforms, silicone head can tear the glue on cleaning adhesive tape 1, cause glue to transfer from the surface of cleaning adhesive tape 1 to silicone head, influence subsequent pad printing process.

[0038] Specifically, the silicone head ink cleaning device of pad printing includes cleaning adhesive tape 1, and is sequentially arranged along the moving path of cleaning adhesive tape 1 Put glue mechanism 2, cleaning platform 3 and recycling mechanism 4;Put glue mechanism 2 includes first fixed component 21, first fixed component 21 is rotatably arranged on the rack, and cleaning adhesive tape 1 is initially wound on first fixed component 21;Multiple adsorption holes 31 are arrayed on the working surface of cleaning platform 3, the adsorption hole 31 can be communicated with external negative pressure source, for adsorbing cleaning adhesive tape 1 passing through the working surface;Recycling mechanism 4 includes first drive component 41 and second fixed component 42, and the end of cleaning adhesive tape 1 is wound on second fixed component 42, the output end of first drive component 41 is drivingly connected with second fixed component 42, for driving second fixed component 42 to rotate, to recycle cleaning adhesive tape 1.

[0039] The cleaning adhesive tape 1 is initially wound on the first fixing assembly 21, wound through the cleaning platform 3 and wound on the second fixing assembly 42, forming a closed loop. The first driving assembly 41 drives the rotation of the second fixing assembly 42, so that the cleaning adhesive tape 1 can make periodic stepping motion with a preset step length, so that the use area of the cleaning adhesive tape 1 can be replaced in time after the cleaning adhesive tape 1 is fully utilized, and the cleaning effect of the cleaning adhesive tape 1 is ensured. The plurality of adsorption holes 31 arranged on the working surface of the cleaning platform 3 can adsorb the cleaning adhesive tape 1, so that the cleaning adhesive tape 1 is attached to the working surface of the cleaning platform 3, thereby providing a rigid support platform for the cleaning adhesive tape 1, avoiding deformation of the cleaning adhesive tape 1 caused by floating pressure, and avoiding the cleaning adhesive tape 1 being adhered and lifted by the silica gel head, thereby improving the cleaning effect of the silica gel head, improving the product printing quality and the qualified rate, overcoming the adhesive sticking defect, avoiding negative impact on the subsequent pad printing process, ensuring the stability of the production process, ensuring the smoothness of the pad printing work, avoiding interrupting the batch pad printing process, reducing the number of downtime, and effectively reducing the production cost.

[0040] When it is necessary to replace the cleaning adhesive tape 1 on the working surface of the cleaning platform 3, the communication between the adsorption hole 31 and the external negative pressure source is cut off, so that the adsorption effect of the cleaning platform 3 on the cleaning adhesive tape 1 is released, so that the cleaning adhesive tape 1 can be freely moved under the drive of the first driving assembly 41.

[0041] As shown in Figure 2 Further, the glue releasing mechanism 2 further comprises a detection assembly 22 arranged in the circumferential direction of the first fixing assembly 21, for detecting the remaining thickness of the cleaning adhesive tape 1 wound on the first fixing assembly 21, so that a signal for replacing the cleaning adhesive tape 1 can be sent in time. In this embodiment, the detection assembly 22 comprises a light barrier photoelectric sensor, and the detection signal path of the light barrier photoelectric sensor is tangent to the inner circle where the cleaning adhesive tape 1 is initially wound. When the cleaning adhesive tape 1 is released to the inner circle, the light barrier photoelectric sensor detects that the remaining thickness of the cleaning adhesive tape 1 is zero, and sends a replacement signal. Alternatively, the detection assembly 22 includes but is not limited to a reflected light photoelectric sensor, an ultrasonic sensor or a laser ranging sensor, which is not limited herein.

[0042] Optionally, the first fixing assembly 21 comprises a rotating shaft 211 and at least two clamping pieces 212, the at least two clamping pieces 212 are axially opposite and adjustably sleeved on the rotating shaft 211 for clamping the cleaning tape 1, wherein the diameters of the clamping pieces 212 gradually decrease in the direction of approaching each other, so that the clamping pieces 212 are conical, and the opposite ends of the clamping pieces 212 with smaller diameters can be inserted into the inner circle of the tape roll, by adjusting the distance between the two clamping pieces 212, the peripheral surface of the clamping pieces 212 is tightly abutted with the end surface of the inner circle of the tape roll, which can meet the clamping requirements of cleaning tapes 1 with various widths and various inner diameters, and is beneficial to improve the versatility and flexibility of the ink cleaning device for the silicone pad of the pad printing machine, and is suitable for various types of cleaning tapes 1 and meets the cleaning requirements of various types of silicone pads.

[0043] In the embodiment, the glue releasing mechanism 2 further comprises a buffer assembly 23 connected with the first fixing assembly 21 for generating resistance in the opposite direction of the movement direction of the cleaning tape 1, on the one hand, the buffer assembly 23 applies certain resistance to the cleaning tape 1, which can prevent the cleaning tape 1 from being pulled out too much due to inertia and cause sticking and knotting, reduce waste of the cleaning tape 1, reduce the probability of equipment downtime caused by tape winding failure, and ensure the continuity and efficiency of the pad printing production; on the other hand, by setting the buffer assembly 23, the stability and smoothness of the release and recovery of the cleaning tape 1 can be maintained, the tape and the surface of the silicone pad can be uniformly and moderately contacted, the ink sticking efficiency and cleaning effect can be significantly improved, and the product failure rate caused by incomplete cleaning can be reduced.

[0044] In the embodiment, the buffer assembly 23 comprises a magnetic damper, which is arranged on the rack and the braking end of which is connected with the rotating shaft 211 of the first fixing assembly 21. In some optional embodiments, the buffer assembly 23 can further comprise a friction piece, which continuously rubs with the clamping piece 212 in the circumferential direction to provide resistance in the opposite direction of the movement direction of the cleaning tape 1. In another optional embodiment, the buffer assembly 23 can further comprise a driving motor, which is arranged on the rack and the output end of which is drivingly connected with the rotating shaft 211 of the first fixing assembly 21 to control the rotating speed of the rotating shaft 211, so as to accurately control the release speed of the cleaning tape 1.

[0045] As shown in Figure 4 The ink cleaning device for the silicone pad of the pad printing machine further comprises a length measuring mechanism 5 arranged between the glue releasing mechanism 2 and the cleaning platform 3, the cleaning tape 1 passes through the length measuring mechanism 5 and enters the cleaning platform 3, the length measuring mechanism 5 is used for recording the length of the cleaning tape 1 passing through, and is signal connected with the first driving assembly 41, so as to ensure that the cleaning tape 1 on the working surface of the cleaning platform 3 is completely replaced with clean tape each time the position of the cleaning tape 1 is replaced, and meanwhile avoid waste caused by excessive release of the cleaning tape 1.

[0046] Specifically, the length measuring mechanism 5 comprises a follower wheel 51, an inductive wheel 52 and a detection member 53. The follower wheel 51 is in contact with the cleaning belt 1 and rotates with the cleaning belt 1. The inductive wheel 52 is coaxially arranged with the follower wheel 51. The inductive wheel 52 is provided with a plurality of detection marks distributed at equal intervals in the circumferential direction. The detection member 53 is configured to identify the passing frequency of the detection marks. The passing frequency of the detection marks is converted to the number of rotations of the inductive wheel 52, so as to convert the release length of the cleaning belt 1. The detection member 53 is in signal connection with the first driving assembly 41. The first driving assembly 41 drives the cleaning belt 1 to move. When the detection member 53 detects that the release length of the cleaning belt 1 reaches a preset length, the first driving assembly 41 stops outputting, and the replacement of the cleaning belt 1 is completed.

[0047] In the embodiment, the detection member 53 is an optical sensor, and the detection mark is an inductive hole 54 arranged in the circumferential direction of the inductive wheel 52. The structure is simple, the cost is low, and the reliability is high. In other embodiments, the detection mark can also be a metal marker arranged in the circumferential direction of the inductive wheel 52, and the detection member 53 is a metal sensor. The number of rotations of the inductive wheel 52 can also be measured.

[0048] Further, the length measuring mechanism 5 further comprises a pressing wheel 55 and a rocker arm 56. One end of the rocker arm 56 is rotatably connected to the rack, and the other end is rotatably connected with the pressing wheel 55. The pressing wheel 55 is configured to press the cleaning belt 1 against the follower wheel 51, so as to ensure the friction between the cleaning belt 1 and the follower wheel 51, avoid the relative sliding between the cleaning belt 1 and the surface of the follower wheel 51, and ensure the accuracy of the length detection of the cleaning belt 1.

[0049] Further, the rocker arm 56 and the rack are provided with an elastic member. The elastic member is configured to bias the rocker arm 56 and the pressing wheel 55 towards the follower wheel 51, so as to make the pressing wheel 55 keep the tendency of pressing the cleaning belt 1 against the follower wheel 51.

[0050] As shown in FIG. 1, the cleaning device 100 further comprises a second driving assembly 42. The second driving assembly 42 is in signal connection with the first driving assembly 41. The second driving assembly 42 is configured to drive the cleaning belt 1 to move in the direction opposite to the first driving assembly 41, so as to complete the replacement of the cleaning belt 1. Figure 3As shown, the pad printing silicone head ink cleaning device further comprises a guide assembly 6, the guide assembly 6 comprises a first guide wheel 61, a second guide wheel 62 and a third guide wheel 63, the first guide wheel 61 is arranged above the feeding end of the cleaning platform 3, and the distance between the lowest point of the rim of the first guide wheel 61 and the working surface of the cleaning platform 3 is not greater than the thickness of the cleaning belt 1, so that the cleaning belt 1 is attached to the working surface; the second guide wheel 62 is arranged at the discharging end of the working surface of the cleaning platform 3, and the highest point of the rim of the second guide wheel 62 is not higher than the working surface, so as to guide the turning of the cleaning belt 1, and together with the first guide wheel 61, the cleaning belt 1 is attached to the working surface; the third guide wheel 63 is arranged below the feeding end of the cleaning platform 3, and the highest point of the rim of the third guide wheel 63 is lower than the lowest point of the rim of the second guide wheel 62, the cleaning belt 1 passes under the first guide wheel 61, the working surface of the cleaning platform 3, above the second guide wheel 62, above the third guide wheel 63 in sequence from the first fixed assembly 21, and is wound on the second fixed assembly 42, in the moving path of the cleaning belt 1 from the second guide wheel 62 to the third guide wheel 63, the cleaning belt 1 forms an included angle with the working surface of the cleaning platform 3, the force arm structure formed by the included angle can change the stress direction of the cleaning belt 1 during recovery, reduce the frictional resistance between the cleaning belt 1 and the guide wheel, enable the belt to be wound and recovered more stably and orderly, reduce the downtime for maintenance caused by belt recovery failure, greatly improve the equipment operation efficiency, and ensure the continuity of pad printing production.

[0051] As shown in the drawings, Figure 2 The first driving assembly 41 includes but is not limited to a driving motor, a pneumatic motor or a hydraulic motor, which is not limited here.

[0052] The second fixed assembly 42 comprises a winding shaft 421 and at least two limiting discs 422, the at least two limiting discs 422 are adjustably sleeved on the winding shaft 421, the end of the cleaning belt 1 is wound on the winding shaft 421, and the at least two limiting discs 422 respectively abut against the two sides of the cleaning belt 1 to limit the winding position of the cleaning belt 1, so as to ensure smooth recovery of the cleaning belt 1 and reduce the downtime for maintenance caused by belt recovery failure. The limiting disc 422 is adjustably sleeved on the winding shaft 421, which can adapt to cleaning belts 1 of various widths, and on the other hand, when the winding shaft 421 is full of waste cleaning belt 1, the position of the limiting disc 422 can be adjusted to facilitate removal of the waste cleaning belt 1.

[0053] Specifically, the limiting disc 422 is provided with a locking piece 43, the locking piece 43 is radially screwed on the limiting disc 422 along the winding shaft 421, and one end of the locking piece 43 is used to abut against the winding shaft 421, by screwing the locking piece 43, the limiting disc 422 can be locked or released with the winding shaft 421.

[0054] In addition, the embodiment also provides a pad printing equipment, comprising a pad printing mechanism and the pad printing silicone head ink cleaning device of any one of the above embodiments, the pad printing mechanism comprises a second driving assembly and a silicone head, the second driving assembly is used for driving the silicone head to transfer between an ink soaking station, a pad printing station and a working surface of a cleaning platform 3, after the silicone head soaks ink at the ink soaking station, reaches the pad printing station to carry out a pad printing process, and after completing the pad printing, is transferred to the working surface of the cleaning platform 3, and the cleaning of residual ink of the silicone head is realized by the silicone head being pressed to contact the cleaning tape 1.The pad printing silicone head ink cleaning device provided by the embodiment can improve the cleaning effect of the silicone head, improve the product printing quality and the qualified rate, overcome the glue sticking defect, avoid the negative influence on the subsequent pad printing process, ensure the stability of the production process, ensure the smoothness of the pad printing work, avoid interrupting the batch pad printing process, reduce the number of stoppages, and effectively reduce the production cost.

[0055] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, readjustment and replacement can be carried out without departing from the protection scope of the utility model. Here, all the embodiments need not and cannot be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claims.

Claims

1. A pad printing silicone head ink cleaning device, characterized in that, It includes a cleaning tape (1), and a tape dispensing mechanism (2), a cleaning platform (3) and a recycling mechanism (4) arranged sequentially along the moving path of the cleaning tape (1); The adhesive dispensing mechanism (2) includes a first fixing component (21), which is rotatably mounted on the frame. The cleaning tape (1) is initially wound around the first fixing component (21). The cleaning platform (3) has multiple adsorption holes (31) arranged in an array on its working surface. The adsorption holes (31) can be connected to an external negative pressure source to adsorb the cleaning tape (1) passing through the working surface. The recycling mechanism (4) includes a first driving component (41) and a second fixing component (42). The end of the cleaning tape (1) is wound around the second fixing component (42). The output end of the first driving component (41) is connected to the second fixing component (42) for driving the second fixing component (42) to rotate, so as to recycle the cleaning tape (1).

2. The ink cleaning device for pad printing silicone head according to claim 1, characterized in that, The adhesive dispensing mechanism (2) further includes a detection component (22), which is disposed around the first fixing component (21) and is used to detect the remaining thickness of the cleaning tape (1) wrapped around the first fixing component (21).

3. The ink cleaning device for pad printing silicone head according to claim 1, characterized in that, The first fixing component (21) includes a rotating shaft (211) and at least two clamping members (212). The at least two clamping members (212) are axially opposite to each other on the rotating shaft (211) and are positionally adjustable for clamping the cleaning tape (1). The diameter of the clamping members (212) gradually decreases as they approach each other.

4. The ink cleaning device for pad printing silicone head according to claim 1, characterized in that, The adhesive dispensing mechanism (2) further includes a buffer assembly (23), which is connected to the first fixing assembly (21) and is used to generate resistance opposite to the direction of movement of the cleaning tape (1).

5. The ink cleaning device for pad printing silicone head according to claim 1, characterized in that, The pad printing silicone head ink cleaning device also includes a length counting mechanism (5), which is located between the glue dispensing mechanism (2) and the cleaning platform (3). The cleaning tape (1) enters the cleaning platform (3) through the length counting mechanism (5). The length counting mechanism (5) is used to record the length of the cleaning tape (1) and is signal-connected to the first drive component (41).

6. The ink cleaning device for pad printing silicone head according to claim 5, characterized in that, The length counting mechanism (5) includes a follower wheel (51), a sensing wheel (52), and a detection element (53). The follower wheel (51) abuts against the cleaning tape (1) and rotates as the cleaning tape (1) moves. The sensing wheel (52) is coaxially arranged with the follower wheel (51), and multiple detection marks are evenly distributed around the circumference of the sensing wheel (52). The detection element (53) is used to identify the passing frequency of the detection marks, and the detection element (53) is signal connected to the first drive component (41).

7. The ink cleaning device for pad printing silicone head according to claim 6, characterized in that, The length counting mechanism (5) further includes a pressure wheel (55) and a rocker arm (56). One end of the rocker arm (56) is rotatably connected to the frame, and the other end is rotatably connected to the pressure wheel (55). The pressure wheel (55) is used to press the cleaning tape (1) against the follower wheel (51).

8. The ink cleaning device for pad printing silicone head according to any one of claims 1 to 7, characterized in that, The pad printing silicone head ink cleaning device further includes a guide assembly (6), which includes a first guide wheel (61), a second guide wheel (62), and a third guide wheel (63). The first guide wheel (61) is located above the feed end of the cleaning platform (3), and the distance between the lowest point of the rim of the first guide wheel (61) and the working surface of the cleaning platform (3) is not greater than the thickness of the cleaning tape (1). The second guide wheel (62) is located at the discharge end of the working surface of the cleaning platform (3), and the second guide wheel (63) is located at the discharge end of the working surface of the cleaning platform (3). The highest point of the rim of the wheel (62) is not higher than the working surface; the third guide wheel (63) is located below the feed end of the cleaning platform (3), and the highest point of the rim of the third guide wheel (63) is lower than the lowest point of the rim of the second guide wheel (62). The cleaning tape (1) passes from the first fixing component (21) sequentially below the first guide wheel (61), the working surface of the cleaning platform (3), above the second guide wheel (62), and above the third guide wheel (63) and is wound up to the second fixing component (42).

9. The ink cleaning device for pad printing silicone head according to any one of claims 1 to 7, characterized in that, The second fixing component (42) includes a winding shaft (421) and at least two limiting discs (422). The at least two limiting discs (422) are adjustablely sleeved on the winding shaft (421). The end of the cleaning tape (1) is wound onto the winding shaft (421). The at least two limiting discs (422) abut against both sides of the cleaning tape (1).

10. A pad printing device, characterized in that, The device includes a pad printing mechanism and a pad printing silicone head ink cleaning device as described in any one of claims 1 to 9. The pad printing mechanism includes a second drive assembly and a silicone head, wherein the second drive assembly is used to drive the silicone head to move between the ink immersion station, the pad printing station and the working surface of the cleaning platform (3).

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